201201031013 has 2 divisors, whose sum is σ = 201201031014. Its totient is φ = 201201031012.

The previous prime is 201201030941. The next prime is 201201031033. The reversal of 201201031013 is 310130102102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129471871684 + 71729159329 = 359822^2 + 267823^2 .

It is a cyclic number.

It is not a de Polignac number, because 201201031013 - 2²⁶ = 201133922149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201201031033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600515506 + 100600515507.

It is an arithmetic number, because the mean of its divisors is an integer number (100600515507).

Almost surely, 2^201201031013 is an apocalyptic number.

It is an amenable number.

201201031013 is a deficient number, since it is larger than the sum of its proper divisors (1).

201201031013 is an equidigital number, since it uses as much as digits as its factorization.

201201031013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 201201031013 its reverse (310130102102), we get a palindrome (511331133115).

The spelling of 201201031013 in words is "two hundred one billion, two hundred one million, thirty-one thousand, thirteen".